Home / 7,628.31-10,527.30-4,271.11

Finding the Fourth Proportional to 7,628.31, 10,527.30 and 4,271.11

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Solution

The fourth proportional to 7,628.31, 10,527.30 and 4,271.11 is: 5,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.31 : 10,527.30 = 4,271.11 : x
  2. Step 2: Convert to fraction form
    7,628.31/10,527.30 = 4,271.11/x
  3. Step 3: Cross multiply
    7,628.31x = 10,527.30 × 4,271.11
  4. Step 4: Simplify right side
    7,628.31x = 44,963,229.98
  5. Step 5: Solve for x
    x = 44,963,229.98/7,628.31
  6. Step 6: Final answer
    x = 5,894.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.